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php – Set session cookies for specific subdomains

Posted by: admin July 12, 2020 Leave a comment

Questions:

I have a website with multiple subdomains, which share a unique PHP session cookie to identify each user. I did this by simply adding session.cookie_domain = '.mydomain.com', however I’m wondering if it’s possible to specify more than one subdomain, so that cookies will only get sent to, for example, www.mydomain.com and user.mydomain.com but won’t in images.mydomain.com.
Would this be possible?

How to&Answers:

No, those would have to be 2 separate cookies.

You would have to create a sub-domain like sub.mydomain.com, have hosts like www.sub.mydomain.com etc., and set cookies for .sub.mydomain.com if you wanted to isolate cookies in that way…

Answer:

for future users, actually you can just rename the cookie id and you can have specific cookie for that subdomain